| Opwijk to Manfredonia | 852.07 mi (1,371.27 km) |
| Opwijk to Maniago | 511.50 mi (823.18 km) |
| Opwijk to Mantova | 503.82 mi (810.82 km) |
| Opwijk to Maranello | 541.72 mi (871.81 km) |
| Opwijk to Marano di Napoli | 843.74 mi (1,357.86 km) |
| Opwijk to Marano Vicentino | 492.81 mi (793.10 km) |
| Opwijk to Marcianise | 839.05 mi (1,350.33 km) |
| Opwijk to Marcon | 527.82 mi (849.45 km) |
| Opwijk to Mareno di Piave | 515.01 mi (828.84 km) |
| Opwijk to Margherita di Savoia | 874.05 mi (1,406.65 km) |
| Opwijk to Mariano Comense | 430.08 mi (692.15 km) |
| Opwijk to Marigliano | 849.05 mi (1,366.41 km) |
| Opwijk to Marino | 752.32 mi (1,210.74 km) |
| Opwijk to Marostica | 497.33 mi (800.38 km) |
| Opwijk to Marsala | 995.42 mi (1,601.98 km) |
